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path: root/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Search/DropDownButton.xaml
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<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
	xmlns:local="clr-namespace:Tango.Scripting.Editors.Search"
>
	<!-- Colors for DropDownButton and SplitButton -->
	<SolidColorBrush x:Key="{ComponentResourceKey {x:Type local:DropDownButton}, ActiveBorder}" Color="#FF0A246A"/>
	<SolidColorBrush x:Key="{ComponentResourceKey {x:Type local:DropDownButton}, ActiveBackground}" Color="#FFB6BDD2"/>
	
	<!-- Style and Template for DropDownButton -->
	<Style TargetType="{x:Type local:DropDownButton}">
		<Setter Property="TextElement.Foreground" Value = "{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}" />
		<Setter Property="Control.Padding" Value="2,2,2,2"/>
		<Setter Property="Border.BorderThickness" Value="1,1,1,1"/>
		<Setter Property="Panel.Background" Value="Transparent"/>
		<Setter Property="Border.BorderBrush" Value="Transparent"/>
		<Setter Property="FrameworkElement.HorizontalAlignment" Value="Center"/>
		<Setter Property="FrameworkElement.VerticalAlignment" Value="Center"/>
		<Setter Property="Control.HorizontalContentAlignment" Value="Center"/>
		<Setter Property="Control.VerticalContentAlignment" Value="Center"/>
		<Setter Property="Template">
			<Setter.Value>
				<ControlTemplate TargetType="local:DropDownButton"
				                 xmlns:s="clr-namespace:System;assembly=mscorlib">
					<Border
						BorderThickness="{TemplateBinding Border.BorderThickness}"
						BorderBrush="{TemplateBinding Border.BorderBrush}"
						Background="{TemplateBinding Panel.Background}"
						Name="OuterBorder"
						SnapsToDevicePixels="True"
					>
						<StackPanel Orientation="Horizontal">
							<ContentPresenter
								Margin="{TemplateBinding Control.Padding}"
								Content="{TemplateBinding ContentControl.Content}"
								ContentTemplate="{TemplateBinding ContentControl.ContentTemplate}"
								ContentStringFormat="{TemplateBinding ContentControl.ContentStringFormat}"
								HorizontalAlignment="{TemplateBinding Control.HorizontalContentAlignment}"
								VerticalAlignment="{TemplateBinding Control.VerticalContentAlignment}"
								SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" />
							<Path Margin="0,2,2,2"
							      Data = "M0,0 L1,0 0.5,1 z"
							      Fill = "{TemplateBinding TextElement.Foreground}"
							      Width = "7"
							      Height = "3.5"
							      Stretch = "Fill"/>
						</StackPanel>
					</Border>
					<ControlTemplate.Triggers>
						<Trigger Property="UIElement.IsMouseOver" Value="True">
							<Setter Property="Border.BorderBrush" TargetName="OuterBorder" Value="{DynamicResource {ComponentResourceKey {x:Type local:DropDownButton}, ActiveBorder}}" />
							<Setter Property="Panel.Background" TargetName="OuterBorder" Value="{DynamicResource {ComponentResourceKey {x:Type local:DropDownButton}, ActiveBackground}}"/>
						</Trigger>
						<Trigger Property="UIElement.IsKeyboardFocused" Value="True">
							<Setter Property="Border.BorderBrush" TargetName="OuterBorder" Value="{DynamicResource {ComponentResourceKey {x:Type local:DropDownButton}, ActiveBorder}}"/>
							<Setter Property="Panel.Background" TargetName="OuterBorder" Value="{DynamicResource {ComponentResourceKey {x:Type local:DropDownButton}, ActiveBackground}}"/>
						</Trigger>
						<Trigger Property="UIElement.IsEnabled" Value="False">
							<Setter Property="TextElement.Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
						</Trigger>
						<Trigger Property="local:DropDownButton.IsDropDownContentOpen" Value="True">
							<Setter Property="Border.BorderBrush" TargetName="OuterBorder" Value="{DynamicResource {x:Static SystemColors.ControlDarkBrushKey}}" />
							<Setter Property="Border.BorderThickness" TargetName="OuterBorder" Value="1,1,1,0" />
							<Setter Property="Border.Padding" TargetName="OuterBorder" Value="0,0,0,1" />
							<Setter Property="Panel.Background" TargetName="OuterBorder" Value="Transparent"/>
						</Trigger>
					</ControlTemplate.Triggers>
				</ControlTemplate>
			</Setter.Value>
		</Setter>
	</Style>
</ResourceDictionary>
generated by cgit v1.3.1 (git 2.54.0) at 2026-07-18 21:44:37 +0000
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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Tango.Core.Helpers;
using Tango.SharedUI.Shapes;

namespace Tango.SharedUI.Controls
{
    /// <summary>
    /// Interaction logic for HiveControl.xaml
    /// </summary>
    public partial class HiveControl : UserControl
    {
        public event EventHandler<HexagonControl> HexagonSelected;

        public event EventHandler HiveGenerated;

        public ObservableCollection<HexagonControl> Hexagons
        {
            get { return (ObservableCollection<HexagonControl>)GetValue(HexagonsProperty); }
            set { SetValue(HexagonsProperty, value); }
        }
        public static readonly DependencyProperty HexagonsProperty =
            DependencyProperty.Register("Hexagons", typeof(ObservableCollection<HexagonControl>), typeof(HiveControl), new PropertyMetadata(null));

        public ObservableCollection<HexagonControl> SelectedHexagons
        {
            get { return (ObservableCollection<HexagonControl>)GetValue(SelectedHexagonsProperty); }
            set { SetValue(SelectedHexagonsProperty, value); }
        }
        public static readonly DependencyProperty SelectedHexagonsProperty =
            DependencyProperty.Register("SelectedHexagons", typeof(ObservableCollection<HexagonControl>), typeof(HiveControl), new PropertyMetadata(null));

        public int MaxSelections
        {
            get { return (int)GetValue(MaxSelectionsProperty); }
            set { SetValue(MaxSelectionsProperty, value); }
        }
        public static readonly DependencyProperty MaxSelectionsProperty =
            DependencyProperty.Register("MaxSelections", typeof(int), typeof(HiveControl), new PropertyMetadata(3));

        public bool DisplayGridPosition
        {
            get { return (bool)GetValue(DisplayGridPositionProperty); }
            set { SetValue(DisplayGridPositionProperty, value); }
        }
        public static readonly DependencyProperty DisplayGridPositionProperty =
            DependencyProperty.Register("DisplayGridPosition", typeof(bool), typeof(HiveControl), new PropertyMetadata(false));

        public HexagonControl CenterHexagon
        {
            get { return (HexagonControl)GetValue(CenterHexagonProperty); }
            set { SetValue(CenterHexagonProperty, value); }
        }
        public static readonly DependencyProperty CenterHexagonProperty =
            DependencyProperty.Register("CenterHexagon", typeof(HexagonControl), typeof(HiveControl), new PropertyMetadata(null));

        public int HiveWidth
        {
            get { return (int)GetValue(HiveWidthProperty); }
            set { SetValue(HiveWidthProperty, value); }
        }
        public static readonly DependencyProperty HiveWidthProperty =
            DependencyProperty.Register("HiveWidth", typeof(int), typeof(HiveControl), new PropertyMetadata(5));

        public int HiveHeight
        {
            get { return (int)GetValue(HiveHeightProperty); }
            set { SetValue(HiveHeightProperty, value); }
        }
        public static readonly DependencyProperty HiveHeightProperty =
            DependencyProperty.Register("HiveHeight", typeof(int), typeof(HiveControl), new PropertyMetadata(5));

        public HiveControl()
        {
            Hexagons = new ObservableCollection<HexagonControl>();
            SelectedHexagons = new ObservableCollection<HexagonControl>();

            InitializeComponent();

            HiveHeight = 5;
            HiveWidth = 5;
            this.Loaded += HiveControl_Loaded;
        }

        private void HiveControl_Loaded(object sender, RoutedEventArgs e)
        {
            GenerateHive();
            HiveGenerated?.Invoke(this,new EventArgs());
        }

        private void GenerateHive()
        {
            Hexagons.Clear();
            SelectedHexagons.Clear();
            canvas.Children.Clear();

            double width = ActualWidth;
            double height = ActualHeight;
            double hexHeight = height / (double)HiveHeight;

            int gap = (int)((Math.Round(HiveHeight / 2d, MidpointRounding.AwayFromZero)) / 2d);

            for (int column = 0; column < HiveWidth / 2; column++)
            {
                for (int row = gap; row < HiveHeight - (gap % 2 != 0 ? gap : gap + 1); row++)
                {
                    AddHexagon(hexHeight, row, column);
                }

                gap--;
            }

            int centerColumn = (int)Math.Round(HiveHeight / 2d, MidpointRounding.ToEven);

            for (int row = 0; row < HiveHeight; row++)
            {
                AddHexagon(hexHeight, row, centerColumn);
            }

            gap = 0;

            for (int column = centerColumn + 1; column < HiveWidth; column++)
            {
                for (int row = gap; row < HiveHeight - (gap % 2 != 0 ? gap : gap + 1); row++)
                {
                    AddHexagon(hexHeight, row, column);
                }

                gap++;
            }

            Width = Hexagons.Max(x => x.Points.Max(y => y.X));

            CenterHexagon = GetHexagon((int)Math.Round(HiveWidth / 2d, MidpointRounding.ToEven), (int)Math.Round(HiveHeight / 2d, MidpointRounding.ToEven));
        }

        private void AddHexagon(double hexHeight, int row, int col)
        {
            Point[] points = HexToPoints(hexHeight, row, col);
            HexagonControl hexagon = new HexagonControl(points, row, col);
            hexagon.HorizontalAlignment = HorizontalAlignment.Center;
            hexagon.VerticalAlignment = VerticalAlignment.Center;
            hexagon.Stroke = Brushes.Black;
            hexagon.StrokeThickness = 1;
            hexagon.Fill = new SolidColorBrush(ColorHelper.GetRandomGrayscaleColor());

            canvas.Children.Add(hexagon);
            Hexagons.Add(hexagon);

            hexagon.Bind(HexagonControl.DisplayGridPositionProperty, this, DisplayGridPositionProperty, BindingMode.OneWay);

            hexagon.MouseEnter += Hexagon_MouseEnter;
            hexagon.MouseUp += Hexagon_MouseUp;
        }

        private void Hexagon_MouseUp(object sender, MouseButtonEventArgs e)
        {
            HexagonControl hexagon = sender as HexagonControl;
            ToggleHexagonSelection(hexagon);
        }

        public void SelectHexagon(HexagonControl hexagon)
        {
            SelectedHexagons.Clear();
            SelectedHexagons.Add(hexagon);
            Hexagons.ToList().ForEach(x => x.IsSelected = false);
            hexagon.IsSelected = true;
            HexagonSelected?.Invoke(this, hexagon);
        }

        private void ToggleHexagonSelection(HexagonControl hexagon)
        {
            bool selected = !hexagon.IsSelected;

            if (MaxSelections > Hexagons.Where(x => x.IsSelected).Count())
            {
                hexagon.IsSelected = selected;
            }
            else
            {
                if (selected)
                {
                    SelectedHexagons.First().IsSelected = false;
                    SelectedHexagons.Remove(SelectedHexagons.First());
                    hexagon.IsSelected = true;
                }
                else
                {
                    hexagon.IsSelected = false;
                }
            }

            if (selected)
            {
                SelectedHexagons.Add(hexagon);
                HexagonSelected?.Invoke(this, hexagon);
            }
            else
            {
                SelectedHexagons.Remove(hexagon);
            }
        }

        private void Hexagon_MouseEnter(object sender, MouseEventArgs e)
        {
            Canvas.SetZIndex(sender as FrameworkElement, canvas.Children.OfType<HexagonControl>().Where(x => !x.IsSelected).Max(x => Canvas.GetZIndex(x)) + 1);

            foreach (var item in canvas.Children.OfType<HexagonControl>().Where(x => x.IsSelected))
            {
                Canvas.SetZIndex(item, canvas.Children.OfType<HexagonControl>().Max(x => Canvas.GetZIndex(x)) + 1);
            }
        }

        private Point[] HexToPoints(double height, float row, float col)
        {
            // Start with the leftmost corner of the upper left hexagon.
            double width = HexWidth(height);
            double y = height / 2;
            double x = 0;

            // Move down the required number of rows.
            y += row * height;

            // If the column is odd, move down half a hex more.
            if (col % 2 == 1) y += height / 2;

            // Move over for the column number.
            x += col * (width * 0.75f);

            // Generate the points.
            return new Point[]
                {
            new Point(x, y),
            new Point(x + width * 0.25f, y - height / 2),
            new Point(x + width * 0.75f, y - height / 2),
            new Point(x + width, y),
            new Point(x + width * 0.75f, y + height / 2),
            new Point(x + width * 0.25f, y + height / 2),
                };
        }

        private double HexWidth(double height)
        {
            return (double)(4 * (height / 2 / Math.Sqrt(3)));
        }

        public HexagonControl GetHexagon(int row, int column)
        {
            return Hexagons.Where(x => x.Row == row && x.Column == column).FirstOrDefault();
        }
    }
}
generated by cgit v1.3.1 (git 2.54.0) at 2026-07-18 21:44:36 +0000